*SUPPORT*
IN: wif gazzer wif OUT: PINK PINK PINK PINK PINK
IN: dax dax dax OUT: RED RED RED
IN: zup OUT: GREEN
IN: zup gazzer dax OUT: RED RED GREEN RED GREEN
IN: fep gazzer dax OUT: RED RED BLUE RED BLUE
IN: zup gazzer fep OUT: BLUE BLUE GREEN BLUE GREEN
IN: wif kiki lug zup OUT: GREEN PINK PINK
IN: dax wif gazzer wif OUT: RED PINK PINK PINK PINK PINK
IN: dax lug zup OUT: GREEN RED
IN: wif fep wif OUT: PINK BLUE PINK
IN: wif lug zup OUT: GREEN PINK
IN: wif wif gazzer zup lug fep lug zup OUT: GREEN BLUE PINK GREEN GREEN PINK GREEN PINK
IN: wif kiki lug fep OUT: BLUE PINK PINK
IN: zup zup kiki OUT: GREEN GREEN GREEN

*QUERY*
IN: zup gazzer wif OUT: PINK PINK GREEN PINK GREEN
IN: dax zup OUT: RED GREEN
IN: fep lug fep OUT: BLUE BLUE
IN: fep wif kiki OUT: BLUE PINK PINK
IN: dax kiki OUT: RED RED
IN: fep gazzer fep lug fep lug fep OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: fep OUT: BLUE
IN: wif gazzer fep lug dax lug zup OUT: GREEN RED BLUE BLUE PINK BLUE PINK
IN: zup lug wif OUT: PINK GREEN
IN: dax zup gazzer wif OUT: RED PINK PINK GREEN PINK GREEN

*GRAMMAR*
dax -> RED 
 fep -> BLUE 
 wif -> PINK 
 zup -> GREEN 
 x1 lug u1 -> [u1] [x1] 
 u1 kiki -> [u1] [u1] 
 u1 gazzer u2 -> [u2] [u2] [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 